Home / 15,582,951.18-21,506,608.83-8,967,403.74

Finding the Fourth Proportional to 15,582,951.18, 21,506,608.83 and 8,967,403.74

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Solution

The fourth proportional to 15,582,951.18, 21,506,608.83 and 8,967,403.74 is: 12,376,246.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,582,951.18 : 21,506,608.83 = 8,967,403.74 : x
  2. Step 2: Convert to fraction form
    15,582,951.18/21,506,608.83 = 8,967,403.74/x
  3. Step 3: Cross multiply
    15,582,951.18x = 21,506,608.83 × 8,967,403.74
  4. Step 4: Simplify right side
    15,582,951.18x = 192,858,444,456,859
  5. Step 5: Solve for x
    x = 192,858,444,456,859/15,582,951.18
  6. Step 6: Final answer
    x = 12,376,246.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.